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Re: bug in pwd POSIX-compliance


From: Eric Blake
Subject: Re: bug in pwd POSIX-compliance
Date: Wed, 16 Feb 2005 21:50:35 -0700
User-agent: Mozilla Thunderbird 1.0 (Windows/20041206)

According to Chet Ramey on 2/16/2005 12:55 PM:
>>POSIX requires pwd(1) with the -P option to update the PWD environment
>>variable with a version scrubbed of all symlinks.  See
>>http://www.opengroup.org/onlinepubs/009695399/utilities/pwd.html
>>
 > I agree that the standard says that, but no shell does it that way.  I'm
> going to ignore it for now.  I'd bet that someone pinched the text in
> question from the `cd' description at some point.

Based on your reaction, and the reaction on the coreutils list for
/bin/pwd, I raised this as a concern against the Austin group; see
https://www.opengroup.org/sophocles/show_mail.tpl?source=L&listname=austin-review-l&id=1899.
 Depending on the resolution, the requirement for `pwd -P' to set PWD may
become optional or removed altogether.  So your approach of leaving well
enough alone for now is probably the best course of action.

-- 
Life is short - so eat dessert first!

Eric Blake             address@hidden




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